EP3739217B1 - Ensemble d'étanchéité pour compresseur - Google Patents

Ensemble d'étanchéité pour compresseur Download PDF

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Publication number
EP3739217B1
EP3739217B1 EP20171512.5A EP20171512A EP3739217B1 EP 3739217 B1 EP3739217 B1 EP 3739217B1 EP 20171512 A EP20171512 A EP 20171512A EP 3739217 B1 EP3739217 B1 EP 3739217B1
Authority
EP
European Patent Office
Prior art keywords
seal
assembly
compressor
impeller
radially stepped
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20171512.5A
Other languages
German (de)
English (en)
Other versions
EP3739217A1 (fr
Inventor
Vishnu M Sishtla
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carrier Corp
Original Assignee
Carrier Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Carrier Corp filed Critical Carrier Corp
Publication of EP3739217A1 publication Critical patent/EP3739217A1/fr
Application granted granted Critical
Publication of EP3739217B1 publication Critical patent/EP3739217B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/083—Sealings especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/162—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of a centrifugal flow wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F04D17/12—Multi-stage pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F04D17/12—Multi-stage pumps
    • F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0246—Surge control by varying geometry within the pumps, e.g. by adjusting vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/058—Bearings magnetic; electromagnetic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/50—Bearings
    • F05B2240/51—Bearings magnetic
    • F05B2240/515—Bearings magnetic electromagnetic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/57—Seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/50—Kinematic linkage, i.e. transmission of position
    • F05B2260/507—Kinematic linkage, i.e. transmission of position using servos, independent actuators, etc.
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/445—Free-space packings with means for adjusting the clearance

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Electromagnetism (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (15)

  1. Ensemble joint (96 ; 98 ; 100) pour un compresseur (22) comprenant :
    au moins une roue (60 ; 62) ;
    au moins une portée de joint (102; 110; 118) associée à la roue incluant une pluralité de surfaces échelonnées radialement (102A, 102B, 102C; 110A, 110B, 110C ; 118A, 118B, 118C) ; et
    un joint (104 ; 112 ; 120) associé à chacune des au moins une portée de joint, dans lequel le joint inclut une pluralité de saillies échelonnées radialement (104A, 104B, 104C ; 112A, 112B, 112C; 120A, 120B, 120C) correspondant à la pluralité de surfaces échelonnées radialement sur la au moins une portée de joint ;
    caractérisé par au moins un actionneur (108 ; 116 ; 124) configuré pour déplacer la au moins une portée de joint par rapport au joint.
  2. Ensemble joint selon la revendication 1, dans lequel le au moins un actionneur (108 ; 116 ; 124) est configuré pour déplacer le joint (104 ; 112 ; 120) entre une première position axiale et une seconde position axiale différente.
  3. Ensemble joint selon la revendication 1 ou 2, dans lequel la au moins une portée de joint (102 ; 110 ; 118) est attachée à l'un de la roue (60 ; 62) et d'un ensemble boîtier (56) et le joint (104 ; 112 ; 120) attaché à l'autre de la roue et de l'ensemble boîtier.
  4. Ensemble joint selon la revendication 1, 2 ou 3, dans lequel la pluralité de saillies échelonnées radialement (104A, 104B, 104C; 112A, 112B, 112C ; 120A, 120B, 120C) incluent des extrémités distales avec une dimension radiale croissante dans une première dimension axiale et des adjacentes de la pluralité de saillies échelonnées radialement sont séparées par un creux.
  5. Ensemble joint selon la revendication 4, dans lequel la pluralité de surfaces échelonnées radialement (102A, 102B, 102C; 110A, 110B, 110C; 118A, 118B, 118C) incluent une dimension radiale croissante dans la première direction axiale.
  6. Ensemble joint selon la revendication 5, dans lequel la première direction axiale est dans une direction axialement vers l'arrière.
  7. Ensemble joint selon une quelconque revendication précédente, dans lequel le joint (104 ; 112 ; 120) est fixe par rapport à un ensemble boîtier (56) du compresseur (22) et la au moins une portée de joint (102 ; 110 ; 118) est fixe par rapport à la roue (60 ; 62).
  8. Ensemble joint selon une quelconque revendication précédente, dans lequel la pluralité de surfaces échelonnées radialement (102A, 102B, 102C; 110A, 110B, 110C ; 118A, 118B, 118C) incluent trois surfaces échelonnées radialement et la pluralité de saillies échelonnées radialement (104A, 104B, 104C; 112A, 112B, 112C ; 120A, 120B, 120C) incluent trois saillies échelonnées radialement.
  9. Ensemble compresseur comprenant :
    au moins un ensemble joint (96; 98; 100) selon une quelconque revendication précédente ;
    un arbre (76) en prise avec entraînement avec la au moins une roue (60 ; 62) ; et
    au moins un palier électromagnétique supportant l'arbre.
  10. Ensemble compresseur selon la revendication 9, dans lequel le au moins un palier électromagnétique inclut au moins un système de palier électromagnétique à support radial (70) et au moins un système de palier électromagnétique à poussée axiale (72).
  11. Ensemble compresseur selon la revendication 9 ou 10, dans lequel la pluralité de saillies échelonnées radialement (104A, 104B, 104C; 112A, 112B, 112C ; 120A, 120B, 120C) incluent des extrémités distales avec une dimension radiale croissante dans une première direction axiale.
  12. Ensemble compresseur selon la revendication 11, dans lequel la pluralité de surfaces échelonnées radialement (102A, 102B, 102C; 110A, 110B, 110C; 118A, 118B, 118C) incluent une dimension radiale croissante dans la première direction axiale et des adjacentes de la pluralité de saillies échelonnées radialement (104A, 104B, 104C; 112A, 112B, 112C ; 120A, 120B, 120C) sont séparées par un creux.
  13. Ensemble compresseur selon la revendication 9, dans lequel la au moins une roue (60 ; 62) inclut une roue de premier étage (60) et une roue de second étage (62) et le au moins un ensemble joint (96; 98 ; 100) inclut un premier ensemble joint (96) associé à la roue de premier étage et un deuxième et un troisième ensemble joint (98, 100) associés à la roue de second étage ; optionnellement
    dans lequel le premier ensemble joint est situé sur un côté axialement en amont de la roue de premier étage, le deuxième ensemble joint est situé sur un côté axialement en amont de la roue de second étage, et le troisième ensemble joint est situé sur un côté axialement en aval de la roue de second étage.
  14. Procédé de fonctionnement d'un compresseur (22) comprenant :
    un support d'un arbre (76) dans le compresseur avec au moins un palier électromagnétique ;
    caractérisé par une détermination d'un jeu de joint sur la base d'un état de fonctionnement du compresseur ; et
    une augmentation du jeu de joint sur la base de l'état de fonctionnement en créant un déplacement axial entre une portée de joint (102 ; 110; 118) attachée à l'un d'une roue (60 ; 62) et d'un ensemble boîtier (56) et un joint (104 ; 112 ; 120) attaché à l'autre de la roue et de l'ensemble boîtier.
  15. Procédé selon la revendication 14, destiné au fonctionnement d'un compresseur (20) avec un ensemble joint (96 ; 98 ; 100) selon l'une quelconque des revendications 1 à 13, et/ou dans lequel l'état de fonctionnement inclut au moins un d'un état d'allumage ou d'extinction pour le compresseur pour augmenter le jeu de joint.
EP20171512.5A 2019-05-06 2020-04-27 Ensemble d'étanchéité pour compresseur Active EP3739217B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201962843773P 2019-05-06 2019-05-06

Publications (2)

Publication Number Publication Date
EP3739217A1 EP3739217A1 (fr) 2020-11-18
EP3739217B1 true EP3739217B1 (fr) 2022-07-13

Family

ID=70470857

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20171512.5A Active EP3739217B1 (fr) 2019-05-06 2020-04-27 Ensemble d'étanchéité pour compresseur

Country Status (3)

Country Link
US (1) US20200355194A1 (fr)
EP (1) EP3739217B1 (fr)
CN (1) CN111894890B (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3513116A1 (de) * 1985-04-12 1986-10-23 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Spaltdichtung an laufraedern von kreiselpumpen
US5190440A (en) * 1991-03-11 1993-03-02 Dresser-Rand Company Swirl control labyrinth seal
JPH11257293A (ja) * 1998-03-11 1999-09-21 Kobe Steel Ltd 遠心圧縮機の制御装置
JP2002228013A (ja) * 2001-02-01 2002-08-14 Mitsubishi Heavy Ind Ltd Ａｃｃ型ラビリンスシール
GB0513654D0 (en) * 2005-07-02 2005-08-10 Rolls Royce Plc Variable displacement turbine liner
KR100878460B1 (ko) * 2007-07-06 2009-01-13 한국과학기술연구원 래비린스 시일
EP2678569B1 (fr) * 2011-07-15 2015-11-18 Carrier Corporation Commande du jeu de compresseur
ITCO20110029A1 (it) * 2011-07-26 2013-01-27 Nuovo Pignone Spa Girante centrifuga e turbomacchina
EP2749771B1 (fr) * 2012-12-27 2020-04-22 Thermodyn Dispositif de génération de poussée axiale dynamique pour équilibrer la poussée axiale globale d'une machine rotative radiale
ITFI20130237A1 (it) * 2013-10-14 2015-04-15 Nuovo Pignone Srl "sealing clearance control in turbomachines"
US10408226B2 (en) * 2016-05-26 2019-09-10 Rolls-Royce Corporation Segregated impeller shroud for clearance control in a centrifugal compressor
US10344612B2 (en) * 2017-01-13 2019-07-09 United Technologies Corporation Compact advanced passive tip clearance control
US10760442B2 (en) * 2018-01-12 2020-09-01 Raytheon Technologies Corporation Non-contact seal with angled land

Also Published As

Publication number Publication date
US20200355194A1 (en) 2020-11-12
CN111894890A (zh) 2020-11-06
CN111894890B (zh) 2022-04-29
EP3739217A1 (fr) 2020-11-18

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